2223318 has 16 divisors (see below), whose sum is σ = 4640256. Its totient is φ = 708840.

The previous prime is 2223317. The next prime is 2223329. The reversal of 2223318 is 8133222.

It is a junction number, because it is equal to n+sod(n) for n = 2223294 and 2223303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7918 + ... + 8193.

It is an arithmetic number, because the mean of its divisors is an integer number (290016).

2^2223318 is an apocalyptic number.

2223318 is an abundant number, since it is smaller than the sum of its proper divisors (2416938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2223318 is a wasteful number, since it uses less digits than its factorization.

2223318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16139.

The product of its digits is 576, while the sum is 21.

The square root of 2223318 is about 1491.0794747430. The cubic root of 2223318 is about 130.5170336392.

The spelling of 2223318 in words is "two million, two hundred twenty-three thousand, three hundred eighteen".